Example usage for com.google.common.base Strings isNullOrEmpty

Introduction

In this page you can find the example usage for com.google.common.base Strings isNullOrEmpty.

Prototype

public static boolean isNullOrEmpty(@Nullable String string)

Source Link

Document

Returns true if the given string is null or is the empty string.

Usage

From source file:com.todoroo.astrid.tags.TagFilterExposer.java

/** Create filter from new tag object */
private static TagFilter filterFromTag(TagData tag) {
    if (tag == null || Strings.isNullOrEmpty(tag.getName())) {
        return null;
    }/* w ww.j a  v  a 2 s  .  c o m*/
    return new TagFilter(tag);
}

From source file:org.jboss.hal.modelgraph.dmr.ResourceAddress.java

public static ResourceAddress of(String address) {
    if (!Strings.isNullOrEmpty(address) && !"/".equals(address)) {
        ModelNode node = new ModelNode();
        String normalized = address.startsWith("/") ? address.substring(1) : address;
        Splitter.on('/').withKeyValueSeparator('=').split(normalized)
                .forEach((key, value) -> node.add().set(key, value));
        return new ResourceAddress(node);
    }/*from  w w w. j a va2  s  .c  o  m*/
    return new ResourceAddress();
}

From source file:org.onosproject.xosclient.api.VtnPortId.java

/**
 * Returns vtn port identifier with value.
 *
 * @param id id/*  w w w  . ja  v  a2 s.com*/
 * @return instance port id
 */
public static VtnPortId of(String id) {
    checkArgument(!Strings.isNullOrEmpty(id), "VTN port ID cannot be null");
    return new VtnPortId(id);
}

From source file:org.opendaylight.netconf.console.commands.NetconfCommandUtils.java

public static boolean isIpValid(final String deviceIp) {
    if (Strings.isNullOrEmpty(deviceIp)) {
        return false;
    }//from  www . j a v a2s .  c  o m
    Matcher matcher = IP_PATTERN.matcher(deviceIp);
    return matcher.matches();
}

From source file:org.opendaylight.controller.sal.restconf.impl.QueryParametersParser.java

public static WriterParameters parseWriterParameters(final UriInfo info) {
    WriterParameters.WriterParametersBuilder wpBuilder = new WriterParameters.WriterParametersBuilder();
    String param = info.getQueryParameters(false).getFirst(UriParameters.DEPTH.toString());
    if (!Strings.isNullOrEmpty(param) && !"unbounded".equals(param)) {
        try {/*from  www . j ava  2 s . c o m*/
            final int depth = Integer.valueOf(param);
            if (depth < 1) {
                throw new RestconfDocumentedException(new RestconfError(RestconfError.ErrorType.PROTOCOL,
                        RestconfError.ErrorTag.INVALID_VALUE, "Invalid depth parameter: " + depth, null,
                        "The depth parameter must be an integer > 1 or \"unbounded\""));
            }
            wpBuilder.setDepth(depth);
        } catch (final NumberFormatException e) {
            throw new RestconfDocumentedException(new RestconfError(RestconfError.ErrorType.PROTOCOL,
                    RestconfError.ErrorTag.INVALID_VALUE, "Invalid depth parameter: " + e.getMessage(), null,
                    "The depth parameter must be an integer > 1 or \"unbounded\""));
        }
    }
    param = info.getQueryParameters(false).getFirst(UriParameters.PRETTY_PRINT.toString());
    wpBuilder.setPrettyPrint("true".equals(param));
    return wpBuilder.build();
}

From source file:org.sfs.jobs.JobParams.java

public static String getFirstRequiredParam(MultiMap params, String name) {
    String value = getFirstOptionalParam(params, name);
    if (Strings.isNullOrEmpty(value)) {
        JsonObject jsonObject = new JsonObject().put("message", String.format("%s is required", name));

        throw new HttpRequestValidationException(HTTP_BAD_REQUEST, jsonObject);
    } else {//from w  ww .j  a  v  a  2s.  c om
        return value;
    }
}

From source file:org.gradle.internal.component.local.model.DefaultLibraryComponentIdentifier.java

public static String libraryToConfigurationName(String projectPath, String libraryName) {
    if (Strings.isNullOrEmpty(libraryName)) {
        return String.format("project '%s' default library", projectPath);
    }/*w w  w .  ja v a 2 s.com*/
    return String.format("project '%s' library '%s'", projectPath, libraryName);
}

From source file:com.google.gerrit.server.util.LabelVote.java

public static LabelVote parse(String text) {
    checkArgument(!Strings.isNullOrEmpty(text), "Empty label vote");
    if (text.charAt(0) == '-') {
        return create(text.substring(1), (short) 0);
    }//ww  w  .j  a v  a  2 s. c  om
    short sign = 0;
    int i;
    for (i = text.length() - 1; i >= 0; i--) {
        int c = text.charAt(i);
        if (c == '-') {
            sign = (short) -1;
            break;
        } else if (c == '+') {
            sign = (short) 1;
            break;
        } else if (!('0' <= c && c <= '9')) {
            break;
        }
    }
    if (sign == 0) {
        return create(text, (short) 1);
    }
    return create(text.substring(0, i), (short) (sign * Short.parseShort(text.substring(i + 1))));
}

From source file:com.google.gwt.resources.gss.ast.CssDotPathNode.java

public static String resolveExpression(String instance, String path, String prefix, String suffix) {
    String expression = path.replace(".", "().") + "()";

    if (!Strings.isNullOrEmpty(instance)) {
        expression = instance + "." + expression;
    }//from   www  .  j a  va 2 s . c  o m

    if (!Strings.isNullOrEmpty(prefix)) {
        expression = "\"" + Generator.escape(prefix) + "\" + " + expression;
    }

    if (!Strings.isNullOrEmpty(suffix)) {
        expression += " + \"" + Generator.escape(suffix) + "\"";
    }

    return expression;
}

From source file:org.renjin.maven.PackagePomBuilder.java

public static Model build(PackageDescription description) {
    Model model = new Model();
    model.setModelVersion("4.0.0");
    model.setArtifactId(description.getPackage());
    model.setGroupId("org.r-project.cran");
    model.setVersion(description.getVersion() + "-SNAPSHOT");
    model.setDescription(description.getDescription());
    model.setUrl(description.getUrl());// www .j a  v a2  s  . co m

    if (!Strings.isNullOrEmpty(description.getLicense())) {
        License license = new License();
        license.setName(description.getLicense());
        model.addLicense(license);
    }

    for (Person author : description.getAuthors()) {
        Developer developer = new Developer();
        developer.setName(author.getName());
        developer.setEmail(author.getEmail());
        model.addDeveloper(developer);
    }

    Plugin renjinPlugin = new Plugin();
    renjinPlugin.setGroupId("org.renjin");
    renjinPlugin.setArtifactId("renjin-maven-plugin");
    renjinPlugin.setVersion("0.6.8-SNAPSHOT");

    PluginExecution compileExecution = new PluginExecution();
    compileExecution.setId("renjin-compile");
    compileExecution.addGoal("compile");

    renjinPlugin.addExecution(compileExecution);

    Build build = new Build();
    build.addPlugin(renjinPlugin);

    model.setBuild(build);

    Repository bddRepo = new Repository();
    bddRepo.setId("bedatadriven-public");
    bddRepo.setUrl("http://nexus.bedatadriven.com/content/groups/public");
    bddRepo.setName("bedatadriven Public Repo");
    model.addRepository(bddRepo);

    return model;
}